Moncena Dunn (October 15, 1867 – July 16, 1944), was a farmer, telegrapher, optometrist, and inventor of the fraud-proof, color-coded coupon ballot (Dunn Ballot).
Moncena Dunn (October 15, 1867 – July 16, 1944), was a farmer, telegrapher, optometrist, and inventor of the fraud-proof, color-coded coupon ballot (Dunn Ballot). (en)
Moncena Dunn (October 15, 1867 – July 16, 1944), was a farmer, telegrapher, optometrist, and inventor of the fraud-proof, color-coded coupon ballot (Dunn Ballot). (en)